From: Christoph Hellwig <hch@lst.de>
To: Jeff Moyer <jmoyer@redhat.com>
Cc: Chaitanya Kulkarni <kch@nvidia.com>,
dan.j.williams@intel.com, vishal.l.verma@intel.com,
dave.jiang@intel.com, ira.weiny@intel.com, hch@lst.de,
nvdimm@lists.linux.dev
Subject: Re: [PATCH V2 1/1] pmem: set QUEUE_FLAG_NOWAIT
Date: Tue, 1 Aug 2023 17:59:43 +0200 [thread overview]
Message-ID: <20230801155943.GA13111@lst.de> (raw)
In-Reply-To: <x491qgmwzuv.fsf@segfault.boston.devel.redhat.com>
On Tue, Aug 01, 2023 at 11:23:36AM -0400, Jeff Moyer wrote:
> I am slightly embarrassed to have to ask this question, but what are the
> implications of setting this queue flag? Is the submit_bio routine
> expected to never block?
Yes, at least not significantly.
> Is the I/O expected to be performed
> asynchronously?
Not nessecarily if it is fast enough..
next prev parent reply other threads:[~2023-08-01 15:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-31 22:46 [PATCH V2 0/1] pmem: set QUEUE_FLAG_NOWAIT Chaitanya Kulkarni
2023-07-31 22:46 ` [PATCH V2 1/1] " Chaitanya Kulkarni
2023-08-01 15:23 ` Jeff Moyer
2023-08-01 15:59 ` Christoph Hellwig [this message]
2023-08-01 17:49 ` Jeff Moyer
2023-08-02 1:25 ` Chaitanya Kulkarni
2023-08-02 12:30 ` Christoph Hellwig
2023-08-02 15:27 ` Jeff Moyer
2023-08-03 3:24 ` Chaitanya Kulkarni
2023-08-03 13:11 ` Jeff Moyer
2023-08-02 15:36 ` Jens Axboe
2023-08-02 16:25 ` Christoph Hellwig
2023-08-03 3:21 ` Chaitanya Kulkarni
2023-08-03 3:17 ` Chaitanya Kulkarni
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